Signaling Extensions for Wavelength Switched Optical Networks
draft-ietf-ccamp-wson-signaling-02

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Document Type Active Internet-Draft (ccamp WG)
Authors Greg Bernstein  , Sugang Xu  , Young Lee  , Giovanni Martinelli  , Hiroaki Harai 
Last updated 2011-09-13 (latest revision 2011-03-14)
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Network Working Group                                      G. Bernstein
Internet Draft                                        Grotto Networking
Intended status: Standards Track                              Sugang Xu
                                                                   NICT
Expires: March 2012                                               Y.Lee
                                                                 Huawei
                                                          G. Martinelli
                                                                  Cisco
                                                          Hiroaki Harai
                                                                   NICT

                                                     September 13, 2011

     Signaling Extensions for Wavelength Switched Optical Networks
                 draft-ietf-ccamp-wson-signaling-02.txt

Abstract

   This memo provides extensions to Generalized Multi-Protocol Label
   Switching (GMPLS) signaling for control of wavelength switched
   optical networks (WSON).  Such extensions are necessary in WSONs
   under a number of conditions including: (a) when optional processing,
   such as regeneration, must be configured to occur at specific nodes
   along a path, (b) where equipment must be configured to accept an
   optical signal with specific attributes, or (c) where equipment must
   be configured to output an optical signal with specific attributes.
   In addition this memo provides mechanisms to support distributed
   wavelength assignment with bidirectional LSPs, and choice in
   distributed wavelength assignment algorithms. These extensions build
   on previous work for the control of lambda and G.709 based networks.

Status of this Memo

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                        Expires March 13, 2012                 [Page 1]
Internet-Draft        WSON Signaling Extensions          September 2011

   The list of Internet-Draft Shadow Directories can be accessed at
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   This Internet-Draft will expire on March 13, 2007.

Copyright Notice

   Copyright (c) 2011 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
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   described in the Simplified BSD License.

Conventions used in this document

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
   document are to be interpreted as described in [RFC2119].

Table of Contents

   1. Introduction...................................................3
   2. Terminology....................................................3
   3. Requirements for WSON Signaling................................4
      3.1. WSON Signal Characterization..............................4
      3.2. Per LSP Network Element Processing Configuration..........5
      3.3. Bi-Directional Distributed Wavelength Assignment..........5
      3.4. Distributed Wavelength Assignment Support.................6
      3.5. Out of Scope..............................................6
   4. WSON Signal Traffic Parameters, Attributes and Processing......6
      4.1. Traffic Parameters for Optical Tributary Signals..........6
      4.2. Signal Attributes and Processing..........................6
         4.2.1. Modulation Type sub-TLV..............................7
         4.2.2. FEC Type sub-TLV.....................................9
         4.2.3. Regeneration Processing TLV.........................12
   5. Bidirectional Lightpath Setup.................................13
      5.1. Possible Solutions for Bidirectional Lightpath...........13
      5.2. Bidirectional Lightpath Signaling Procedure..............14
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